<template>
  <div>
    <el-row :gutter="10" style="margin-bottom: 5px;">
      <el-col>
        <el-select v-model="currentSiteId" placeholder="请选择站点" size="medium">
          <el-option
            v-for="item in siteList"
            :key="item.id"
            :label="item.name"
            :value="item.id">
          </el-option>
        </el-select>
      </el-col>
    </el-row>

  <el-row :gutter="10">
    <el-col :span="5">
     <el-card  shadow="never" :body-style="contentViewHeight">
      <el-tag
        closable
        size="small"
        style="margin-bottom:5px"
        v-if="selectCmsColumnName"
        :disable-transitions="false"
        @close="handleNodeClose">
        {{selectCmsColumnName}}
      </el-tag>
      <el-row :gutter="5">
        <el-col :span="20">
          <el-input
            placeholder="输入关键字进行过滤"
            size="small"
            v-model="filterText">
          </el-input>
        </el-col>
      </el-row>
      <el-tree
        class="filter-tree"
        :data="cmsColumnTreeData"
        :props="{
              value: 'id',             // ID字段名
              label: 'name',         // 显示名称
              children: 'children'    // 子级字段名
            }"
        default-expand-all
        :filter-node-method="filterNode"
        :expand-on-click-node="false"
        @node-click="handleNodeClick"
        ref="cmsColumnTree">
           <span class="custom-tree-node" slot-scope="{ node, data}">
            <span>{{ node.label }}</span>
          </span>
      </el-tree>
      </el-card>
    </el-col>

    <el-col :span="19">
    <el-card  shadow="never" :body-style="contentViewHeight">
      <el-form :inline="true" v-show="isSearchCollapse" class="query-form" ref="searchForm" :model="searchForm" @keyup.enter.native="refreshList()" @submit.native.prevent>
         <el-form-item prop="title">
            <el-input v-model="searchForm.title" placeholder="标题" clearable></el-input>
         </el-form-item>

        <el-form-item prop="carouselFlag">
          <el-select v-model="searchForm.carouselFlag" clearable placeholder="是否轮播">
            <el-option
              v-for="item in [{'label':'是','value':'1'},{'label':'否','value':'0'}]"
              :key="item.value"
              :label="item.label"
              :value="item.value">
            </el-option>
          </el-select>
        </el-form-item>

        <el-form-item prop="recomFlag">
          <el-select v-model="searchForm.recomFlag" clearable placeholder="是否首页推荐">
            <el-option
              v-for="item in [{'label':'是','value':'1'},{'label':'否','value':'0'}]"
              :key="item.value"
              :label="item.label"
              :value="item.value">
            </el-option>
          </el-select>
        </el-form-item>

          <el-form-item>
            <el-button type="primary" @click="refreshList()" size="small">查询</el-button>
            <el-button @click="resetSearch()" size="small">重置</el-button>
          </el-form-item>
      </el-form>
        <!-- 导入导出-->
      <el-form :inline="true" v-show="isImportCollapse"  class="query-form" ref="importForm">
         <el-form-item>
          <el-button type="default" @click="downloadTpl()" size="small">下载模板</el-button>
         </el-form-item>
         <el-form-item prop="loginName">
            <el-upload
              class="upload-demo"
              :action="`${this.$http.BASE_URL}/cms/content/cmsContents/import`"
              :on-success="uploadSuccess"
               :show-file-list="true">
              <el-button size="small" type="primary">点击上传</el-button>
              <div slot="tip" class="el-upload__tip">只允许导入“xls”或“xlsx”格式文件！</div>
            </el-upload>
        </el-form-item>
      </el-form>
      <el-row>
        <el-button v-if="hasPermission('cms:content:cmsContents:add')" type="primary" size="small" icon="el-icon-plus" @click="add()">新建</el-button>
        <el-button v-if="hasPermission('cms:content:cmsContents:edit')" type="warning" size="small" icon="el-icon-edit-outline" @click="edit()"
         :disabled="dataListSelections.length != 1" plain>修改</el-button>
        <el-button v-if="hasPermission('cms:content:cmsContents:del')" type="danger"   size="small" icon="el-icon-delete" @click="del()"
                  :disabled="dataListSelections.length <= 0" plain>删除
        </el-button>
        <el-button type="success" icon="el-icon-view" size="small" @click="handleSiteColPreview">
          栏目预览
        </el-button>
        <el-button type="warning" icon="el-icon-view" size="small" @click="handleSiteDetailPreview" :disabled="dataListSelections.length != 1">
          详情预览
        </el-button>

        <el-button-group class="pull-right">
            <el-button
              type="default"
              size="small"
              icon="el-icon-search"
              @click="isSearchCollapse = !isSearchCollapse, isImportCollapse=false">
            </el-button>
            <el-button v-if="hasPermission('cms:content:cmsContents:import')" type="default" size="small" icon="el-icon-upload2" title="导入" @click="isImportCollapse = !isImportCollapse, isSearchCollapse=false"></el-button>
            <el-button v-if="hasPermission('cms:content:cmsContents:export')" type="default" size="small" icon="el-icon-download" title="导出" @click="exportExcel()"></el-button>
            <el-button
              type="default"
              size="small"
              icon="el-icon-refresh"
              @click="refreshList">
            </el-button>
        </el-button-group>
      </el-row>
    <el-table
      :data="dataList"
      border
      size="medium"
      @selection-change="selectionChangeHandle"
      @sort-change="sortChangeHandle"
      v-loading="loading"
      class="table">
      <el-table-column
        type="selection"
        size="medium"
        header-align="center"
        align="center"
        width="50">
      </el-table-column>
      <el-table-column
        prop="columnName"
        show-overflow-tooltip
        label="栏目名称"
        width="100">
      </el-table-column>
    <el-table-column
        prop="contentTypeName"
        show-overflow-tooltip
        label="分类名称"
        width="100">
      </el-table-column>
    <el-table-column
        prop="title"
        show-overflow-tooltip
        label="标题"
        width="120">
      </el-table-column>
    <el-table-column
        prop="color"
        label="标题颜色"
        width="80">
      <template slot-scope="scope">
        <span v-bind:style="{width:'60px',height:'25px','border-radius':'5px',display: 'block',background:scope.row.color}">&nbsp;</span>
      </template>
      </el-table-column>
    <el-table-column
        prop="keywords"
        show-overflow-tooltip
        label="关键字"
        width="100">
      </el-table-column>
    <el-table-column
        prop="description"
        show-overflow-tooltip
        label="描述摘要"
        width="100">
      </el-table-column>
    <el-table-column
        prop="carouselFlag"
        align="center"
        label="首页轮播">
      <template slot-scope="scope">
        <span v-bind:class="{'text-success':scope.row.carouselFlag==='1','text-danger':scope.row.carouselFlag!=='1'}">
          <i class="fa fa-circle"></i>
        </span>
      </template>
      </el-table-column>
    <el-table-column
        prop="recomFlag"
        align="center"
        label="首页推荐">
      <template slot-scope="scope">
        <span v-bind:class="{'text-success':scope.row.recomFlag==='1','text-danger':scope.row.recomFlag!=='1'}">
          <i class="fa fa-circle"></i>
        </span>
      </template>
      </el-table-column>
    <el-table-column
        prop="topWeight"
        sortable="true"
        width="120"
        label="置顶权重">
      </el-table-column>
    <el-table-column
        prop="hits"
        sortable="true"
        label="点击数"
        width="90">
      </el-table-column>
      <el-table-column
        prop="releaseDate"
        sortable="true"
        label="发布时间"
        width="175">
      </el-table-column>
      <el-table-column
        prop="topDate"
        label="置顶期限"
        width="175">
      </el-table-column>
      <el-table-column
        prop="updateDate"
        sortable="true"
        label="更新时间"
        width="175">
      </el-table-column>
      <el-table-column
        header-align="center"
        align="center"
        fixed="right"
        width="200"
        label="操作">
        <template  slot-scope="scope">
          <el-button v-if="hasPermission('cms:content:cmsContents:view')" type="text" icon="el-icon-view" size="small" @click="view(scope.row.id)">查看</el-button>
          <el-button v-if="hasPermission('cms:content:cmsContents:edit')" type="text" icon="el-icon-edit" size="small" @click="edit(scope.row.id)">修改</el-button>
          <el-button v-if="hasPermission('cms:content:cmsContents:del')" type="text"  icon="el-icon-delete" size="small" @click="del(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <el-pagination
      @size-change="sizeChangeHandle"
      @current-change="currentChangeHandle"
      :current-page="pageNo"
      :page-sizes="[10, 20, 50, 100]"
      :page-size="pageSize"
      :total="total"
      background
      layout="total, sizes, prev, pager, next, jumper">
    </el-pagination>
    </el-card>
    </el-col>
</el-row>
        <!-- 弹窗, 新增 / 修改 -->
    <CmsContentsForm  ref="cmsContentsForm" @refreshDataList="refreshList" :column-list="cmsColumnTreeData"></CmsContentsForm>
  </div>
</template>

<script>
import CmsContentsForm from './CmsContentsForm'
import SelectTree from '@/components/treeSelect/treeSelect.vue'

export default {
  data () {
    return {
      searchForm: {
        columnId: '',
        title: '',
        carouselFlag: '',
        recomFlag: ''
      },
      filterText: '',
      cmsColumnTreeData: [],
      selectCmsColumnName: '',
      dataList: [],
      pageNo: 1,
      pageSize: 10,
      total: 0,
      orderBy: '',
      dataListSelections: [],
      isSearchCollapse: false,
      isImportCollapse: false,
      loading: false,
      siteList: [],
      currentSiteId: ''
    }
  },
  created () {
    this.refreshSiteList()
  },
  components: {
    SelectTree,
    CmsContentsForm
  },
  activated () {

  },
  computed: {
    contentViewHeight () {
      let height = this.$store.state.common.documentClientHeight - 122
      return {minHeight: height + 'px'}
    }
  },
  watch: {
    filterText (val) {
      this.$refs.cmsColumnTree.filter(val)
    },
    currentSiteId: {
      handler (newVal, oldVal) {
        if (newVal && newVal !== oldVal) {
          this.searchForm.columnId = ''
          this.selectCmsColumnName = ''
          this.refreshTree()
          this.refreshList()
        }
      },
      immediate: true,
      deep: false
    }
  },
  methods: {
    filterNode (value, data) {
      if (!value) return true
      return data.name.indexOf(value) !== -1
    },
    refreshTree () {
      let params = this.currentSiteId && this.currentSiteId !== '' ? {siteId: this.currentSiteId} : {}
      this.$http({
        url: `/cms/column/cmsColumn/treeData`,
        method: 'get',
        params: params
      }).then(({data}) => {
        this.cmsColumnTreeData = data.treeData
      })
    },
    refreshSiteList () {
      this.$http({
        url: '/cms/site/cmsSite/allList',
        method: 'get',
        params: {}
      }).then(({data}) => {
        this.siteList = data.data
        if (this.currentSiteId === '' && this.siteList && this.siteList.length > 0) {
          this.currentSiteId = this.siteList[0].id
        }
      })
    },
    handleNodeClick (data) {
      this.searchForm.columnId = data.id
      this.selectCmsColumnName = '已选: ' + data.name
      this.refreshList()
    },
    handleNodeClose () {
      this.searchForm.columnId = ''
      this.selectCmsColumnName = ''
      this.refreshList()
    },
      // 获取数据列表
    refreshList () {
      this.loading = true
      let params = {...this.searchForm}
      if (!params.columnId || params.columnId === '') {
        params.siteId = this.currentSiteId
      }
      this.$http({
        url: '/cms/content/cmsContents/list',
        method: 'get',
        params: {
          'pageNo': this.pageNo,
          'pageSize': this.pageSize,
          'orderBy': this.orderBy,
          ...params
        }
      }).then(({data}) => {
        if (data && data.success) {
          this.dataList = data.page.list
          this.total = data.page.count
          this.loading = false
        }
      })
    },
      // 每页数
    sizeChangeHandle (val) {
      this.pageSize = val
      this.pageNo = 1
      this.refreshList()
    },
      // 当前页
    currentChangeHandle (val) {
      this.pageNo = val
      this.refreshList()
    },
      // 多选
    selectionChangeHandle (val) {
      this.dataListSelections = val
    },

    // 排序
    sortChangeHandle (obj) {
      if (obj.order === 'ascending') {
        this.orderBy = obj.prop + ' asc'
      } else if (obj.order === 'descending') {
        this.orderBy = obj.prop + ' desc'
      } else {
        this.orderBy = ''
      }
      this.refreshList()
    },
      // 新增
    add () {
      this.$refs.cmsContentsForm.init('add', {id: '', columnId: this.searchForm.columnId})
    },
      // 修改
    edit (id) {
      id = id || this.dataListSelections.map(item => {
        return item.id
      })[0]
      this.$refs.cmsContentsForm.init('edit', {id: id})
    },
      // 查看
    view (id) {
      this.$refs.cmsContentsForm.init('view', {id: id})
    },
      // 删除
    del (id) {
      let ids = id || this.dataListSelections.map(item => {
        return item.id
      }).join(',')
      this.$confirm(`确定删除所选项吗?`, '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        this.loading = true
        this.$http({
          url: '/cms/content/cmsContents/delete',
          method: 'delete',
          params: {'ids': ids}
        }).then(({data}) => {
          if (data && data.success) {
            this.$message.success(data.msg)
            this.refreshList()
          }
          this.loading = false
        })
      })
    },
      // 导入成功
    uploadSuccess (res, file) {
      if (res.success) {
        this.$message.success({dangerouslyUseHTMLString: true,
          message: res.msg})
      } else {
        this.$message.error(res.msg)
      }
    },
      // 下载模板
    downloadTpl () {
      this.$utils.download('/cms/content/cmsContents/import/template')
    },
    exportExcel () {
      this.$utils.download('/cms/content/cmsContents/export')
    },
    resetSearch () {
      this.$refs.searchForm.resetFields()
      this.selectCmsColumnName = ''
      this.refreshList()
    },
    getColumnNameByColumnId (columnList, columnId) {
      for (let column of this.columnList) {
        if (column.id === columnId) {
          return column.name || ''
        }
        if (column.children && column.children.length > 0) {
          this.getColumnNameByColumnId(column.children, columnId)
        }
      }
    },
    handleSiteColPreview () {
      let selectedItem = this.dataListSelections[0]
      let columnId = this.searchForm.columnId || (selectedItem && selectedItem.columnId)
      if (!columnId) {
        this.$message.warning('请先勾选栏目')
        return
      }

      if (!this.currentSiteId) {
        this.$message.warning('请选择站点')
        return
      }

      let url = `${process.env.VUE_APP_CMS_FRONT_URL}/${this.currentSiteId}/colPreview-${columnId}.html`
      window.open(url, 'siteColPreview')
    },
    handleSiteDetailPreview () {
      let selectedItem = this.dataListSelections[0]
      let columnId = selectedItem.columnId
      if (!columnId) {
        this.$message.warning('请先勾选栏目')
        return
      }

      if (!this.currentSiteId) {
        this.$message.warning('请选择站点')
        return
      }
      let url = `${process.env.VUE_APP_CMS_FRONT_URL}/${this.currentSiteId}/viewPreview-${columnId}-${selectedItem.id}.html`
      window.open(url, 'siteDetailPreview')
    }
  }
}
</script>
